This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 71 |
| 2 | 251 |
| 3 | 431 |
| 4 | 521 |
| 5 | 701 |
| 6 | 881 |
| 7 | 971 |
| 8 | 1061 |
| 9 | 1151 |
| 10 | 1511 |
| 11 | 1601 |
| 12 | 1871 |
| 13 | 2141 |
| 14 | 2411 |
| 15 | 2591 |
| 16 | 2861 |
| 17 | 3041 |
| 18 | 3221 |
| 19 | 3491 |
| 20 | 3581 |
| 21 | 3671 |
| 22 | 3761 |
| 23 | 3851 |
| 24 | 4211 |
| 25 | 4391 |
| 26 | 4481 |
| 27 | 4751 |
| 28 | 4931 |
| 29 | 5021 |
| 30 | 5381 |
| 31 | 5471 |
| 32 | 5651 |
| 33 | 5741 |
| 34 | 6011 |
| 35 | 6101 |
| 36 | 6551 |
| 37 | 6911 |
| 38 | 7001 |
| 39 | 7451 |
| 40 | 7541 |
| 41 | 7901 |
| 42 | 8081 |
| 43 | 8171 |
| 44 | 9161 |